Java复习(绝无仅有的深度).docx

对象引用【例】：public class ParamTestpublic void change(Person person,Person person2)person.name=lisi;person2.name=wangwu;public static void main(String args)Person person=new Person();person.name=zhangsan;Person person2=person;ParamTest test=new ParamTest();test.change(person,person2);System.out.println (person.name);class PersonString name;结果：wangwuEquals方法格式：public boolean equals(Objectobj)Java语言规范要求equals方法具